Medium Mathematics Polynomials Class 10 Level 26

कौन सा विकल्प (8) और (9) के बीच की अपरिमेय संख्या है?

Which option is an irrational number between (8) and (9)?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{70}\)

Step 1

Concept

Since (64<70<81), \(\sqrt{70}\) lies between (8) and (9). (70) is not a perfect square so it is irrational.

Step 2

Why this answer is correct

The correct answer is A. \(\sqrt{70}\). Since (64<70<81), \(\sqrt{70}\) lies between (8) and (9). (70) is not a perfect square so it is irrational.

Step 3

Exam Tip

क्योंकि (64<70<81) इसलिए \(\sqrt{70}\) (8) और (9) के बीच है। (70) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

कौन सा विकल्प (8) और (9) के बीच की अपरिमेय संख्या है? / Which option is an irrational number between (8) and (9)?

Correct Answer: A. \(\sqrt{70}\). Explanation: क्योंकि (64<70<81) इसलिए \(\sqrt{70}\) (8) और (9) के बीच है। (70) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है। / Since (64<70<81), \(\sqrt{70}\) lies between (8) and (9). (70) is not a perfect square so it is irrational.

Which concept should I revise for this Mathematics MCQ?

Since (64<70<81), \(\sqrt{70}\) lies between (8) and (9). (70) is not a perfect square so it is irrational.

What exam hint can help solve this Mathematics question?

क्योंकि (64<70<81) इसलिए \(\sqrt{70}\) (8) और (9) के बीच है। (70) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है।

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